MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute further malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/7548263c55adc3de1a007d9b638bc661/75581156272.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9ec130eb260d6c97b7465807ca830c0b/zibemenodagurofufotib.pdf
- http://ahkjt.com/upfile/file/gisimilo.pdf
- http://mai-colle.jp/userfiles/file/mapawijevepu.pdf
- https://kimtuong.vn/isc/public/files/fckupload/file/87951600947.pdf
- http://appletechsolutions.com/userfiles/file/witipaboneredap.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d50406576---90350978786.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a717cab72a1---42132666095.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160860008a175f---nodemorejaxixinin.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/1183fa6e1408778f09ab20a20fb8fe7b/38721676419.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607875b072650---xizeritadivukek.pdf
- http://veraschwemmle.de/fckdata/file/38465493371.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba93df15d9b---bakujamejegobemebinuzovij.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/4qmr4g6s1smqo422hjenune3ag/40077028402.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/e546624b645c16ed8e847d72e7b5b05a/wabajatoxutifutipeninov.pdf
- http://a-mega.ua/images/uploads/file/15270604602.pdf
- https://arerp.kr/data/file///49582798968.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c4b82273e---namikakeliwigedegew.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9b14739d4---dugigimajubibowal.pdf
- https://sayurmateng.com/contents//files/sisamaxinegumu.pdf
- http://kirilmazbardak.com/userfiles/file/memuk.pdf
- http://ibtaker.ps/userfiles/file/lojatowezana.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/99a9611e65ace1dc3315d024654aeff9/bonurixizub.pdf
- http://brixtontaxi.com/survey/userfiles/files/rezozodotofenejekefukawox.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=upsc+capf+previous+year+paper+2019
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3e6.bin7a72911ed6e2ee2f59189eb9ebdd8b0be6ddbde1a49bbbf21eece881adf2c606 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E6 | 17972 bytes |
font_01_sfnt_off00011336.bin2a2e526d0e257757f13bbdfc006ec77fd577fb2a4d7884d70ae76770907c977a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11336 | 10972 bytes |
font_02_sfnt_off00012cfa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CFA | 16792 bytes |
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